java.lang.Object
org.elasticsearch.common.util.SingleObjectCache<T>
A very simple single object cache that allows non-blocking refresh calls
triggered by expiry time.
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Field Summary
Fields -
Constructor Summary
ConstructorsModifierConstructorDescriptionprotectedSingleObjectCache(TimeValue refreshInterval, T initialValue) -
Method Summary
Modifier and TypeMethodDescriptionprotected final TReturn the potentially stale cached entry.Returns the currently cached object and potentially refreshes the cache before returning.protected booleanReturnstrueiff the cache needs to be refreshed.protected abstract Trefresh()Returns a new instance to cache
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Field Details
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lastRefreshTimestamp
protected long lastRefreshTimestamp
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Constructor Details
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SingleObjectCache
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Method Details
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getOrRefresh
Returns the currently cached object and potentially refreshes the cache before returning. -
getNoRefresh
Return the potentially stale cached entry. -
refresh
Returns a new instance to cache -
needsRefresh
protected boolean needsRefresh()Returnstrueiff the cache needs to be refreshed.
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